Data Engineer

Started in France in 2016, MyTraffic’s mission is to empower commerce professionals with the best location analytics and insights to make smarter decisions every day and design the best experiences in physical locations

We already serve more than 500 customers across multiple sectors — Retail, Real Estate, Cities, and Electric Vehicles (EV Connect) — all over Europe, helping them expand their businesses, analyze or predict investment performance, better understand customer behaviors, and benchmark results against competitors.

Backed by a €30M Series B fundraising round in November 2022 and strengthened by the strategic acquisition of Geoblink in January 2024, Mytraffic has become Europe’s leading location intelligence platform.

2026 will be a pivotal moment for Mytraffic. Joining us now means being part of a major transformation, as we launch an AI-powered product and redefine our go-to-market strategy around a strong Product-Led Growth approach. MyTraffic teams throughout project timelines, ensuring comprehensive and effective solutions.

📝Job Description : 

As a Data Engineer, you will be responsible for designing, configuring and maintaining some of the most complex data systems we use, including relational, non-relational, in-memory, persisting and distributed databases and parallel processing systems. You will work closely with our Data Science, software and infrastructure teams providing robust and read-to-scale data pipelines.

This is an opportunity for building and maintaining “Gini”, the best AI assistant for geospatial analytics (released in February 2026!)
Gini is leveraging our unique proprietary insights databases and delivering it through an LLM-powered platform to our clients. You'll be instrumental in optimizing our data stack, collaborating across Product and Tech teams, and making crucial decisions that will shape the best infrastructure for these proprietary insights databases.

So, if you are passionate about Big data, parallel computing, ETLs and interested in being one of the points of reference regarding how data and databases are architectured, structured and integrated in a fast-paced organization, then this job is for you!

💼  To give you more details about your day-to-day at MyTraffic :

Your main goals will be to:

• Design and implement new architecture for big data ingestion, process and storage

• Build data pipelines to automate the ETL processes of all the sources we combine

• Collaborate with Data Scientists, Software Engineers to define flexible and scalable solutions

• Contribute to the infrastructure configuration with our beloved DevOps

To deliver this, you will join our talented French and Spanish team which has extensive experience in Big Data environments. You’ll have the opportunity to play with a very large amount of daily updated geolocation data in France and Europe, and develop your skills and challenge new technologies that could bring more value to our technical stack.

🫵 About you : 

🎓 Education

• At least 3 years of XP as a Data Engineer in a tech environment

• MS degree in Computer Science or related fields

💪 Hard skills

• Proficiency with a wide range of different databases. At MyTraffic different pieces of data are consumed from BigQuery, PostgreSQL, Redis, Snowflake, Athena… so you will never get bored!

• Strong software development fundamentals (data structures, algorithms, etc.) and confirmed experience with Python

• Experience working with a Cloud based environment (extra-kudos for GCP and AWS) and designing robust and scalable data architectures with orchestrators (Airflow), data pipelines and ETL processes (Spark) for multiple data sources, ensuring data quality and integrity.

• Fluent in LLM-assisted development (boosting productivity while assuring quality)

• Nice to have : Familiarity or exposure to AI/LLM-powered data applications, such as agent-based systems for querying and analyzing data (e.g., SQL agents), including experience with frameworks like LangChain, LangGraph or LlamaIndex, and concepts such as RAG and tool integration.

🧠 Soft skills

• Excellent problem-solving skills crafting simple and elegant solutions

• Ability to challenge existing tools and processes, and proactively suggest improvements

• Curious and rigorous: You like learning new things, and you are not afraid of going out of your comfort zone if needed. You are interested in what the rest of the team is working on and like participating in discussions and suggesting new ideas.

• Organized and methodical: you like starting your projects by defining a plan of steps to reach, having your Jira board up always to date and with well described tasks, and you like clean, self-explained and reusable code.

• English speaker with good oral and writing skills: you feel comfortable explaining complex technical concepts in simple ways to Product Managers or Data Scientists, at the same time that you are able to discuss and confront ideas in a technical style with engineers

Nice to have

• Experience working with spatial data or GIS systems

• Knowledge of Docker and Kubernetes for deploying and managing applications

• Familiar to algorithms using geolocation data (timestamp, latitude, longitude)

• Published open source code

🎁 What we offer :
Joining our scale-up means:

• Attractive package – Around 50K€ per year

• A culture of innovation – Thrive in an environment that values creativity and ambition

• A real impact – Your contributions will play a key role in our clients' strategic decisions.

• Tailored support – Join an experienced team that will help you grow and develop your skills.

• Flexibility – Enjoy a fully remote contract to better balance your professional and personal life.
  

⚙️ The Recruitment Process

• 30 min talk with Adèle, our Talent Acquisition,

• 30 min with Dani, our Head of Data,

• Technical case at home and then exchange with 2 team members,

• 45 min Values Ambassador with 2 employees of Mytraffic,

• An interview with Simon, our CTO.